S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Structure of Atom, Exercise 1: PROBLEMS FOR PRACTICE

Author:S C Kheterpal, S N Dhawan & P N Kapil

S C Kheterpal Chemistry Solutions for Exercise - S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Structure of Atom, Exercise 1: PROBLEMS FOR PRACTICE

Attempt the practice questions on Chapter 2: Structure of Atom, Exercise 1: PROBLEMS FOR PRACTICE with hints and solutions to strengthen your understanding. Pradeep's Chemistry Vol 1 solutions are prepared by Experienced Embibe Experts.

Questions from S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Structure of Atom, Exercise 1: PROBLEMS FOR PRACTICE with Hints & Solutions

MEDIUM
11th CBSE
IMPORTANT

Neutrons can be found in all atomic nuclei except in one case. Which is this atomic nucleus and what does it consist of?

EASY
11th CBSE
IMPORTANT

How many nucleons are present in an atom of Nobelium, No102254? How many electrons are present in the atom? How many nucleons may be considered as neutrons?

HARD
11th CBSE
IMPORTANT

Complete the following table:

Particle Atomic Number Mass Number Number of electrons Number of protons Number of neutrons
Sodium atom 11       12
Aluminium ion   27 10    
Chloride ion     18   18
Phosphorus atom   31   15  
Cuprous iron     28   35

HARD
11th CBSE
IMPORTANT

Complete the following table:

Name of the Particle Mass Number Atomic Number Protons Number of Electrons Neutrons
Oxygen     8   8
Sodium ion 23   11    
Bromine       35 45

EASY
11th CBSE
IMPORTANT

Find the number of protons, electrons and neutrons in aAl3+1327bO2-815.

MEDIUM
11th CBSE
IMPORTANT

The elements P Atomic weight 39 and Q Atomic weight 80 contain 20 and 45 neutrons respectively in their nucleus. Give their electronic arrangements separately.

HARD
11th CBSE
IMPORTANT

Give the name and atomic number of the inert gas atom in which the total number of d-electrons is equal to the difference between the numbers of total p and total s electrons.

MEDIUM
11th CBSE
IMPORTANT

A monoatomic anion of unit charge contains 45 neutrons and 36 electrons. Find the atomic number, mass number of the ion with its identification.